The 'lone wolf' problem poses security challenges for feds
By David Tarrant
Dallas Morning News
Both Hosam "Sam" Smadi and Maj. Nidal Malik Hasan attracted attention from federal agents long before their high-profile arrests.
But the two Texas cases, just six weeks apart, resulted in spectacularly different outcomes - one in the prevention of a large-scale terrorist attack in Dallas, the other in a deadly shooting rampage of soldiers and civilians at Fort Hood.
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